Average Co-Inventor Count = 3.43
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Komatsu Corporation (1 from 2,730 patents)
2. Kabushiki Kaisha Komatsu Seisakusho (1 from 1,009 patents)
2 patents:
1. 6752339 - Mobile crushing apparatus
2. 4342333 - Exhaust gas change-over apparatus